baber/WOPTO huggingface dataset:
Patent JP-H01251552-A (JP)
Title: Halogen lamp
Inventor: IZUMI HIRONOBU
IPC: H01K1/50
Filed: 1988-03-31
Abstract: PURPOSE:To suppress the blackening phenomenon, obtain a long life, and prevent the corrosion of a pipeline facility to introduce the sealing gas by sealing inert gas, monomethylsilane, chlorine and hydrogen in a tube-shaped sealing body made of glass so as to satisfy specific conditions. CONSTITUTION:Inert gas, monomethylsilane, chlorine and hydrogen are sealed in a tube-shaped sealing body 10 made of glass provided with a filament 20 having a luminous section 21 and a nonluminous section 22 so that conditions 1-3 are satisfied. Condition 1: The sealed quantity of chlorine is 0.14-1.4X10<-6>gr atom for the inner volume 1cc of the glass tube-shaped sealing body 10. Condition 2: The sealed quantity of monomethylsilane is 0.0120.16mumol for the inner volume 1cc of the glass tube-shaped sealing body 10. Condition 3: The gram atom number ratio of chlorine and hydrogen (Cl/H) is 0.9-3.0. The blackening phenomenon is prevented, a long life is obtained, the corrosion of a pipeline facility to introduce the sealing gas can be prevented.
Patent JP-S57190173-A (JP)
Title: Gas proportional control valve
Inventor: TANAHASHI TAKASHI
IPC: F23N1/00
Filed: 1981-05-19
Abstract: PURPOSE:To improve a control characteristic, reliability and safety of a gas proportional control valve, in which a flow amount of gas is controlled by adjusting an electric current, by forming the valve in such construction that electromagnetic force is transmitted to a valve unit through permanent magnets separated with a partitioning plate. CONSTITUTION:A valve unit 5 is resiliently urged by a spring 6 toward a valve seat 4, and a diaphragm 7 is closely fitted to an upper part of the valve unit, simultaneously a permanent magnet 15 is mounted to the top end of said unit. Then a permanent magnet 16, secured to a plunger 10, is provided in an upper chamber at a face-to-face position to the magent 15 separately with a partitioning plate 14 provided to the central part of a housing. A back pressure chamber (c), formed by the diaphragm 7 and the partitioning plate 14, is communicated to the atmosphere through an orifice 13 to prevent vibration of the valve 5. In this constitution, a sliding part is not provided as in a valve of conventional example, and a valve is obtained with small hysteresis, excellent safety and reliability.
Patent JP-S59209505-A (JP)
Inventor: YANAGISAWA GENNAI
IPC: B65B9/13
Filed: 1983-05-02
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S59203699-A (JP)
Title: Apparatus for nitrification-denitrification of waste water
Inventor: KOBAYASHI TETSUO
IPC: C02F3/34
Filed: 1983-04-30
Abstract: PURPOSE:To obtain the titled apparatus comprising a simplified small-sized single tank capable of efficiently performing nitrification-denitrification in response to a load over a wide range, by adopting the constitution that the interior of said tank is divided into nitrifier and denitrifier parts with a partition wall in a manner such that a circulating stream is formed between both parts through a downward circulating water channel provided at the partition wall. CONSTITUTION:In the apparatus for the nitrification-denitrification of waste water wherein the interior of a tank 1 equipped with a mechanical surface aerator 3 is vertically divided into a nitrifier part 5 and a denitrifier part 6 with a partition wall 4 having a central part at which a downward circulating water channel 11 is provided, waste water is supplied together with returned sludge along the arrow d, introduced through a downward water channel 13 to the dentrifier part 6, raised through an upward circulating water channel 14 together with a circulating stream C from the nitrifier part 5 by an agitator blade 10 attached to the top end of a shaft 8' extending from the rotary shaft 8 of the agitator and then transferred beyond a weir 15 into the nitrifier part 5. In the nitrifier part 5, the waste water is aerobically nitrified while circulating it with the rotation of the blade 3 and guidance by a draft pipe 7, and partially introduced as the circulating stream C into the denitrifier part 6 to perform denitrification. A part of said circulating stream is discharged as treated water through an outflow opening 17 to a precipitation basin (outside the drawing).
Patent JP-H08271865-A (JP)
Title: Liquid crystal board
Inventor: IKEDA MASAHIKO
IPC: G02F1/1333
Filed: 1995-03-31
Abstract: PURPOSE: To provide a liquid crystal board with which uniform writing lines and images are obtainable on a display screen and which has excellent writing feel by providing the opposite side of this display board with a cushion material layer. CONSTITUTION: A specific soln. is applied as a transparent high electric resistance layer 8 on a conductive layer 3 of a vapor deposited aluminum film formed by consisting a base material 2 of a polyethylene terephthalate film and the conductive layer 3 of a vapor deposited aluminum layer and is dried and cured. Further, a specific soln. is applied as a liquid crystal dispersed polymer 6 prepd. by finely dispersing liquid crystal drops 5 into a polymer matrix 4 on this transparent high electric resistance layer 8 and is dried and cured. A cushion material 41 consisting of a polyurethane foam is stuck by using a tacky adhesive on the outer side of the base material 2 of the liquid crystal sheet.  Further, a conductive nonwoven fabric as a conductive member 42 is stuck as hemming of a board screen 18 consisting of a transparent insulator layer 7 and is simultaneously brought into contact with the conductive layer 3, by which this fabric is stuck to the cushion material 41. The laminated formed in such a manner is stuck to a substrate 43.
Patent JP-H02270688-A (JP)
Title: Frame structure for riding-over type vehicle
Inventor: HASHIURA TSUYOSHI
IPC: B62K11/02
Filed: 1990-03-26
Abstract: PURPOSE:To obtain a light frame structure having large rigidity by installing the right and left first frame members in pairs extending rearward and downward from a head pipe and the second frame members extending downward from the rear edge of the first frame members and installing a seat supporting member onto the second frame member. CONSTITUTION:In a motorcycle, the main pipes 15 and submain pipes 16 as the right and left first frame members in pairs are fixed onto a head pipe 8 which axially supports a front fork, and a down tube 17 is fixed in the vicinity of the front edge part of the main pipe 15. The right and left down tubes 20 in pairs each of which has a pivot part 20c for pivotally supporting the front edge part of a swing arm which axially supports rear wheels are installed at the lower edge part of the down tube 17, and a main pipe 25 which constitutes the second frame member, together with a gusset 20d having a pivot part 20c is fixed in the vicinity of the upper edge part, and the front edge is connected with the rear edge of the main pipe 15. A seat rail 28 is supported by the main pipes 25 and the down tube 20.
Patent JP-H01249699-A (JP)
Title: Production of ferrite single crystal
Inventor: SUZUKI TAKAYUKI
IPC: C30B11/00
Filed: 1988-03-31
Abstract: PURPOSE:To allow easy taking out of a platinum (system) crucible and reuse thereof at a low cost without disposing the crucible as scrap by taking a ferrite single crystal grown in the crucible after the crucible is subjected to high-frequency heating. CONSTITUTION:A raw material is melted in the platinum or platinum system crucible and the ferrite single crystal is grown. The single crystal grown in the crucible is then turned upside down together with the crucible and is imposed on a refractory material 7 for fixing the crucible. The crucible is subjected to the high-frequency induction heating by a coil 11 for high- frequencies formed densely in the part facing the V-bottom of the crucible and thereafter, the single crystal 5 in the crucible is taken out into the refractory material 9. The crucible from which the single crystal 5 is taken out is heated by, for example, hydrochloric acid and is reused. The inexpensive reuse of the crucible is enabled without disposing the crucible as scrap according to the above-mentioned method.
Patent JP-S61236185-A (JP)
Title: Preparation of semiconductor laser element
Inventor: FUKUNAGA TOSHIAKI
IPC: H01L21/205
Filed: 1985-04-12
Abstract: PURPOSE:To prevent the formation of high resistance part in the boundary surface between a photo guide layer and a clad layer, by growing the clad layer after growing the current constriction layer on the coated layer formed on the photo guide layer, performing the selective etching, and evaporating the coated layer of the etched part. CONSTITUTION:The N-type GaAs buffer layer 8, the N-type AlxGa1-xAs/GaAs multi quantum well buffer layer 9, the N-type AlxGa1-xAs clad layer 10, the P-type AlyGa1-yAs active layer 11, the P-type AlzGa1-zAs photo guide layer 12, coating layer 13, and the N-type GaAs current constriction layer 14 are laminated on the (001) face of the N-type GaAs substrate 1. In the direction of the (110) of the current constriction layer 14, the groove 15 is formed by selective etching to expose the coated layer 13. After the coated layer 13 is evaporated at the ordinary growth temperature, the P-type AlxGa1-xAs clad layer 16 and the P-type GaAs contact layer 17 are grown, and then the P-side electrode 18 and the N-side electrode 19 are formed by vapor deposition.
Patent JP-H08279174-A (JP)
Title: Optical pickup device
Inventor: AKIYAMA HIROSHI
IPC: G11B7/135
Filed: 1995-03-31
Abstract: PURPOSE: To obtain an optical pickup device in which exact monitoring of a laser output is conducted by detecting the forward end face outgoing light, the size is reduced and the assembling is made easy. CONSTITUTION: An outgoing light A from a laser beam source 1 is separated toward the beam source direction which is opposite to the outgoing direction and is tilted with respect to an outgoing optical axis Ao using an outgoing light monitoring separating element 17 which is arranged on a light path between the source 1 and an optical information recording medium 7. A monitoring light B obtained by the separation above is detected by a monitoring light receiving element 14 located in a casing 1a. Thus, the laser output is exactly monitored without being adversely affected by the returning light from the medium 7.
Patent JP-H07280598-A (JP)
Title: Transmission illumination instrument
Inventor: TAKAO KOICHI
IPC: G01D11/28
Filed: 1994-04-15
Abstract: PURPOSE:To provide a transmission illumination instrument in which a strength of a deposited boss is strengthened with a low cost without largely altering a gate position, etc., of a conventional mold and a weld line is not engaged with the boss. CONSTITUTION:The transmission illumination instrument comprises a name plate 11 formed with a deposition hole 13, and a prism 12 formed on its surface with a deposited boss 16 engaged with and deposited with the hole 13 from a back surface of the plate 11. A thick part 17 is formed on a rear surface of the boss 16 of the prism 12, and formed of a protrusion 17 protruding from the rear surface of the prism 12. The protrusion 17 is so formed that the surface area of the protrusion 17 is larger than that of the boss 16. A corner 19 for generating a weld line 21 is formed at a position for avoiding the boss 16 at a long hole 18 of the prism 12.
Patent JP-S6325498-A (JP)
Title: Cleaning of heat transfer tube in waste heat retrival device for exhaust gas
Inventor: FURUYA SHUICHI
IPC: F28G9/00
Filed: 1986-04-03
Abstract: PURPOSE:To neutrize acid in exhaust gas and restrain the corrosion of a heat transfer tube due to the acid in the exhaust gas, by spraying a solution containing alkaline salts preventing the heat transfer tube from corroding to the heat transfer tube to clean it. CONSTITUTION:Exhaust gas, whose waste heat is retrieved primarily by the combustion of black liquid by a heat retrieving boiler 1, is supplied to a dust collector 2 such as an electric dust collector or the like by a blower, not shown in a diagram, to remove dust previously, then, is passed through a waste heat retrieval device 3 under the temperature of about 170 deg.C while heat is retrieved during passing through the device 3. The waste heat retrieval device 3 consists of a casing 31, having a structure suitable for the passing of the exhaust gas, and the group 32 of heat transfer tubes provided in the casing 31. A proper number of spray tubes 7, having a multitude of spray holes on the lower surface with a given space, is arranged above the group 32 of the heat transfer tubes in the casing 31 of the retrieval device 3 and alkaline solution is sprayed from the spray tubes 7 periodically, whereby the group 32 of the heat transfer tubes is cleaned to remove dust adhered to the heat transfer tubes, then, the dust is discharged through a drain pipe, provided on the casing 31 and not shown in the diagram, together with the cleaning solution.
Patent JP-H11271059-A (JP)
Title: Attitude detector and travelling robot
Inventor: KAWAGUCHI KEIJI
IPC: B25J19/02
Filed: 1998-03-25
Abstract: PROBLEM TO BE SOLVED: To detect the attitude in a simple constitution in a special working environment such as travels in a pipe or on the wall of spherical tank. SOLUTION: It comprises a three-axis clinometer 8 for detecting inclination information (x, y, z) about three axes of gravity vectors composed of an axis Y in the fore-back direction of a target to detect its attitude, axis Z in the up-down direction and axis X in the right-left direction, specified rotating indicating means 15 for indicating specified substantially negligible rotation types among a pitch rotation δ, roll rotation θ and yaw rotation ϕof the target, specified condition relation deriving means 16 for deriving relations showing the relation between the inclination information (x, y, z) to the pitch rotation δ, roll rotation θ and yaw rotation ϕ in the case the specified rotation types are neglected, and rotation quantity deriving means 17 for deriving other remaining rotation than the specified rotations, based on the relations derived by the specified condition relation deriving means 16.
Patent JP-S63242568-A (JP)
Title: Thermal printer
Inventor: TAMURA TAKEO
IPC: B41J2/365
Filed: 1987-03-30
Abstract: PURPOSE:To enable a hard copy to be constantly obtained with a desired printed density irrespectively of the ambient temperature,by reading printed density from a printed surface of a paper by an image sensor, and controlling the energization time of a pulsed current in accordance with the result of reading so as to obtain an optimum density. CONSTITUTION:A printed state obtained through color forming on a paper is detected by an image sensor 3. Data thus detected by the image sensor 3 is sent to a CPU 22 through an A/D converter 25, and the difference between the actual density and a value in a density-setting part 28 is controlled, thereby controlling the duration of an energizing pulse supplied to a printing head 2. Control is thus continued while constantly monitoring by the image sensor 3 the density of characters just printed by the head 2, and a carriage 1 is moved by rotating a carriage motor 5. All of the characters thus printed on a sheet of paper are maintained at a fixed density, resulting in a legible print.
Patent JP-H0675612-A (JP)
Title: Office number duplication testing method for programmable controller
Inventor: TAKANO MIKIO
IPC: H04L12/40
Filed: 1993-04-02
Abstract: PURPOSE:To prevent a malfunction due to the office number duplication of a data link system by securely testing the duplication or absence of the office number of the data link. CONSTITUTION:A master station sends a command frame to a station with a specified office number and the station receives the command frame, sets the gate of a line driver to 'H' and waits for a certain time, and sends a response frame and then sets the gate of the line driver to 'L' with the lapse of a certain time. If the office number is duplicate, the response is not received normally by the master station and a time-out state is entered; and then the master station sends a command frame to itself to efficiently detect whether the station (tested office number) is present or duplicate.
Patent JP-H03275389-A (JP)
Title: Printed matter having discrimination mark
Inventor: EGUCHI KIYOHISA
IPC: B42D15/10
Filed: 1990-03-26
Abstract: PURPOSE:To provide excellent concealability and secretiveness and to enhance safety by printing a discrimination mark on a region printed by drop-out color ink permitting infrared rays to transmit using ink containing a glass powder permitting visible light to transmit and absorbing infrared rays. CONSTITUTION:Glass for a cyan color filter permitting visible light to almost transmit and having light absorbing characteristics within an infrared wavelength region is finely ground and mixed with a binder to prepare ink and a bar code is printed on a part of printing paper using this ink. The bar code shows an extremely light color of a cyan color system in a degree lightly looked by the naked eye. An image is printed on the entire surface of the printing paper using drop-out color ink absorbing visible light but permitting infrared rays to transmit to obtain a bar code applied printed matter but the bar code can not be visibly confirmed at all. When this printed matter is scanned using a detection means due to infrared rays, predetermined data can be accurately read.
Patent JP-H05282682-A (JP)
Title: Optical information recording and reproducing device
IPC: G11B7/004
Filed: 1992-03-31
Abstract: PURPOSE:To increase the recording capacity by performing the kick operation at the time of acceleration and/or deceleration of the relative reciprocating motion between a spot and an information recording medium in the direction of an information track. CONSTITUTION:An MPU 10 controls a driving motor 14 reciprocately moving an optical card 1 in the R direction and ejecting it outside the device and a driving motor 13 moving the optical card 1 in the Y direction. The output of optical detectors 22-24 are inputted to an AT/AF control circuit 11, based on the output the control circuit 11 performs AF and AT by controlling an AF actuator 15 and an AT actuator 16. The output of the optical detectors 22-24 are inputted to a modem 12, and demodulating read information. A demodulation signal is sent to the MPU 10. The modem 12 modulates information signals sent from the MPU 10, recording information while driving an optical beam irradiation optical system 17 according to the demodulation signal. By performing the kick operation when the relative moving speed between the optical head and the recording medium is changed, the recording and reproduction time can be prevented from becoming longer.
Patent JP-H10271865-A (JP)
Title: Regeneration abnormality detector
Inventor: SATO KAZUO
IPC: H02P3/18
Filed: 1997-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a regeneration abnormality detector having simple constitution with fewer circuit elements. SOLUTION: A first comparator 5 informs the outside of a regeneration abnormality alarm when a node voltage 13 of a regenerative circuit reaches a low level and is continued. A second comparator 6 turns a regenerative resistor 3 on and regenerative power is consumed when main-circuit bus voltage exceeds a regenerative level. A third comparator 7 detects a time when main- circuit bus voltage reaches overvoltage, and informs the outside of an overvoltage alarm. The first and the third comparators 5, 7 use a photo-isolator 10 in common as a relay for alarm outputs at that time.
Patent JP-H03251374-A (JP)
Title: Rotary tool
Inventor: ISHIBASHI AKIHIRO
IPC: B25B21/00
Filed: 1990-03-27
Abstract: PURPOSE:To improve the using performance by forming a wedge-shaped space part for permitting the meshing and free movement of a locking member between the inner peripheral surface of a ring body which surrounds an output shaft side member and can not revolve and the outer peripheral surface of the output shaft side member and a release member for pushing out the locking member to the free movement region side in the wedge-shaped space part on an input shaft side member. CONSTITUTION:A connection part 36 for power transmission which is connected with a play within a prescribed angle with an input shaft side member and an output shaft side member 70 which are positioned coaxially is installed, and a wedge-shaped space part for permitting the meshing and free movement of the locking members 50a and 50b is formed between the inner peripheral surface of a ring body 51 which surrounds an output shaft side member 70 and can not revolve and the outer peripheral surface of the output shaft side member 70. Further, a release member 36 for pushing out the locking member to a free movement region side in the wedge-shaped space part is installed on the input shaft side member. Accordingly, autolock is carried out by the locking member and the wedge-shaped space part for permitting the meshing and the free movement of the locking member, and autorelease is carried out by the release member 36 of the input shaft side member.
Patent JP-S57193082-A (JP)
Title: Laser oscillator
Inventor: HOSOKAWA TETSUO
IPC: H01S3/04
Filed: 1981-05-22
Abstract: PURPOSE:To prepare uniform cooling force to a rod and a discharge tube in a laser oscillator having a laser rod, an Xe discharge tube for exciting the rod, and a light collector for collecting the exciting light to the rod by providing a guide plate for imparting a rotary motion of propagating direction of cooling medium as an axis in the vicinity of the inlet of the collector. CONSTITUTION:Glass surface plates 2', 8' for hermetically sealing are provided on the wall surfaces confronting a laser oscillator housing 10', and a laser output side reflecting mirror 1' and a laser full reflecting mirror 9' are arranged at the outside of the housing 10' to confront the surface plates. A laser rod 3' and an Xe discharge tube 4' of an exciting source are arranged in the housing 10', are surrounded by an elliptical light collector 5', many fins 7' having a flower 6' for circulating N2 gas at the end are arranged in parallel at the prescribed interval at the lower side, and the N2 gas is circulated and cooled in the housing 10'. In this structure, guide blades 11 are provided in the vicinity of the inlet of the collector 5', the N2 gas is rotated in the propagating direction, and the rod 3' and the tube 4' are uniformly cooled.
Patent JP-H01248581-A (JP)
Title: Carbon dioxide gas laser oscillator
Inventor: ISHIWATARI HIROMASA
IPC: H01S3/10
Filed: 1988-03-29
Abstract: PURPOSE:To facilitate stable control of a laser output over a wide range by a method wherein a plurality of pairs of electrodes are provided on a laser tube and a discharge is induced between an optional pair or optional pairs of the electrodes. CONSTITUTION:Mixed gas of CO2, N2H and the like is enclosed in an insulating cylinder 11. A total reflective mirror 12 is provided at the one end of the insulating cylinder 11 and an output mirror 13 is provided at the other end. An optical resonator is composed of both the mirrors. A plurality of pairs of electrodes 14a and 15a-14c and 15c are provided on the outer circumference of the insulating cylinder 11 facing each other so as to hold the insulating cylinder 11 between them, they are connected to an external radio frequency electric source 16 through switches 17 and 18 respectively in parallel. If the main electrodes 21 and 22 of the switches 17 and 18 are brought into contact with all contacts 19a-19c and 20a-20c respectively, a discharge is induced over a whole discharge region and the maximum laser output can be obtained. If the main electrodes 21 and 22 of the switches 17 and 18 are brought into contact with the one respective contacts 19a and 20a, a discharge is induced between a pair of the electrodes 14a and 15a only and a laser output corresponding to the length of the discharge region can be obtained.